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Finding the Fourth Proportional to 365,616.95, 548,436.83 and 99,383.11

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Solution

The fourth proportional to 365,616.95, 548,436.83 and 99,383.11 is: 149,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,616.95 : 548,436.83 = 99,383.11 : x
  2. Step 2: Convert to fraction form
    365,616.95/548,436.83 = 99,383.11/x
  3. Step 3: Cross multiply
    365,616.95x = 548,436.83 × 99,383.11
  4. Step 4: Simplify right side
    365,616.95x = 54,505,355,935.93
  5. Step 5: Solve for x
    x = 54,505,355,935.93/365,616.95
  6. Step 6: Final answer
    x = 149,077.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.